28.140.37 is a class C of IPs

Sample IPs from the class C 28.140.37

28.140.37.157	View precise location of 28.140.37.157 on the map!
28.140.37.111	View precise location of 28.140.37.111 on the map!
28.140.37.104	View precise location of 28.140.37.104 on the map!
28.140.37.174	View precise location of 28.140.37.174 on the map!
28.140.37.3	View precise location of 28.140.37.3 on the map!
28.140.37.79	View precise location of 28.140.37.79 on the map!
28.140.37.174	View precise location of 28.140.37.174 on the map!
28.140.37.236	View precise location of 28.140.37.236 on the map!
28.140.37.104	View precise location of 28.140.37.104 on the map!
28.140.37.165	View precise location of 28.140.37.165 on the map!
28.140.37.57	View precise location of 28.140.37.57 on the map!

10 Random IPs

151.109.150.65	Find precise map location of 151.109.150.65
131.176.195.89	Find precise map location of 131.176.195.89
39.157.4.43	Find precise map location of 39.157.4.43
176.35.161.206	Find precise map location of 176.35.161.206
79.107.10.227	Find precise map location of 79.107.10.227
118.104.99.112	Find precise map location of 118.104.99.112
206.128.9.199	Find precise map location of 206.128.9.199
53.20.234.213	Find precise map location of 53.20.234.213
53.6.142.83	Find precise map location of 53.6.142.83
12.227.5.53	Find precise map location of 12.227.5.53
129.49.236.65	Find precise map location of 129.49.236.65

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.